2) optical particle counter
光学粒子计数器
1.
An on-line natural gas filter element testing unit was built up,and an optical particle counter was used to simultaneously measure the upstream and downstream aerosol of the filter.
针对天然气工业特点,设计了一套滤芯性能在线检测装置,采用光学粒子计数器OPC对过滤器上、下游粉尘的浓度和粒径分布进行适时测量。
2.
0, were detected by an optical particle counter (OPC), a visibility meter and ambient particulate monitors respectively at the same time in Beijing during the winter of 2001.
2001年夏季和冬季,在北京市大兴区榆垡镇,利用光学粒子计数器、能见度仪和颗粒物质量监测器对近地面大气气溶胶粒子数密度、大气能见度、颗粒物质量浓度(PM10、PM2。
3.
A new method is proposed for the measurement of imaginary part of refractive index n i of aerosol by using an optical particle counter (OPC) and a visibility meter (VM).
介绍一种综合利用光学粒子计数器和能见度仪测量大气气溶胶折射率虚部的新方法。
3) smoothed particle hydrodynamics
光滑粒子动力学
1.
Simulate of liquid-solid two-phase flow by smoothed particle hydrodynamics method;
光滑粒子动力学方法的固液二相流研究
2.
In the model, smoothed particle hydrodynamics (SPH) method was adopted to describe water droplet, and the conventional finite element method was used to discretize the blade steel.
模型中采用光滑粒子动力学无网格方法描述水滴部分、常规有限元有网格方法描述叶片钢材部分,充分考虑了水滴与钢材间的流固耦合效应,研究了多种速度和粒径的水滴对叶片的撞击情况,得到了水滴内部的瞬态压力分布以及水滴撞击以后的压缩、扩展、飞溅的情况,叶片钢内部应力影响区域以及应力随时间的变化,撞击应力与水滴尺寸和撞击速度的关系等。
4) charged particle optics
带电粒子光学
1.
A package with AD technique inside and including functions for numerical calculation of charged particle optics was developed in Visual C++ language with the adva ntage of Object Oriented Programming technique.
根据AD技术的基本原理,研究了对带电粒子光学系统进行像差分析的AD方法,给出了偏转系统高斯光学性质及三阶几何像差系数的AD表述。
2.
Differential algebra is a new mathematical method and a promising tool in charged particle optics.
微分代数是带电粒子光学中新近出现的一个很有前途的数学工具。
5) optically levitated particle
光学悬浮粒子
6) laser optical particle counter
激光光学粒子计数器
1.
The sensitivity of a laser optical particle counter (L-OPC) measuring to the refractive index of particles is analysed,and the dependence of response on n_1,the imaginary part of the refractive index is discused.
根据米氏(Mie)散射理论,通过数值模拟分析了气溶胶折射率虚部n_i在不同散射角度上对双散射角激光光学粒子计数器(L-OPC)响应曲线的影响,定义了敏感函数。
补充资料:初级粒子和原级粒子
分子式:
CAS号:
性质:又称初级粒子和原级粒子。利用各种化学反应方法得到的最初粒子(晶粒)。一次粒子的大小约为0.005~1μm,比筛分的极限小得多,在介质中有相当高的稳定性。
CAS号:
性质:又称初级粒子和原级粒子。利用各种化学反应方法得到的最初粒子(晶粒)。一次粒子的大小约为0.005~1μm,比筛分的极限小得多,在介质中有相当高的稳定性。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条